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| Categories | Short Throw Projector 4K |
|---|---|
| Brand Name: | Yeoan |
| Model Number: | SJ-42KL |
| MOQ: | 10 |
| Payment Terms: | L/C, T/T, Western Union |
| Delivery Time: | 15 days |
| Brightness: | 4200lm |
| Resolution: | 4K (3840*2160) |
| Display Technology: | DLP 0.47" dmd |
| Projection Ratio: | 0.21:1 |
| Projection Light Source: | Laser |
| Aspect Ratio: | Native:16:10 Compatible: 4:3/16:9 |
| Keystone Correction: | manual, vertical and horizontal |
| contrast ratio: | 1100:1 |
| Company Info. |
| Hefei Yeoan Information And Technology Co.,Ltd. 1646915 |
| Verified Supplier |
| View Contact Details |
| Product List |
Immersive Interactive Classroom Projector Ultra Short Throw 4K Resolution
Highlights:
ultra short throw 0.21:1, pixel shifting 4K, 4200 lm
Has rim blending function, easily display huge screen
High-efficiency optical engine design and laser light source module
are free of replacement for 8 years;
Native eye protection-diffuse light source, removes harmful blue
light, prevents glare, relieves visual fatigue, clear eye
protection and healthier.
Intelligent core-the built-in system covers four main teaching
scenes: whiteboard, textbook, courseware, and review, and provides
various intelligent tools to create an immersive interactive
classroom.
Application:
Create adaptive application scenarios based on different needs,
such as future classrooms, mobile offices, home theaters, etc.
| model | SJ-42KL | |
| Main parameters | Projection System | DLP 0.47" |
| Resolution | 3840*2160 (4K) | |
| brightness | Typ 4200lm | |
| Uniformity*2 | ≥92% | |
| Contrast*2 | Typ 1100:1 | |
| Projection ratio | 16:9 | |
| Sound Output | 8W X 2 | |
| Light source type | type | Laser light source |
| life | Standard mode: 20,000 hours Energy saving mode: 25,000 hours | |
| Projection lens | type | Fixed focal length lens |
| Fno. | 2.0±5% | |
| Zoom ratio | 0 | |
| Throw Ratio | 0.21±0.02 | |
| Throw distance | 390mm ~ 584mm (zoom range, best @ 488mm) | |
| Displayable colors | 1.07 billion colors (10 bit) | |
| Off-axis | 147% +6.5%/-3.5% | |
| Light Leakage | <= 0.3 Lux in 0lux darkroom @ 100" black screen and @ outside the pattern on the screen (need to remove ambient light) | |
| Flare | W Halo <= 5 pixels@ 100” G/R/B <= 0.7 pixels@ 100” | |
| Defocus | <=3.5 pixels | |
| Image Quality | Follow TI DMD image quality specifications (no external dust/fibers allowed) (This refers to the system projected image quality, including all defects caused by optical components) | |
| How it works | Electric focus | |
| Optimal size | Optimal 100" screen size | |
| Android | Hardware Platform | MSD8386 |
| Software Platform | Android 8.0 | |
| Support screen parameters | 4K(3840*2160) | |
| Memory and Storage | 3+32GB | |
| Multi-screen interaction | Sofa Butler(TBD) | |
| Keystone Correction | Manual four-point/eight-point keystone correction | |
| Software Features | Motion compensation/wireless screen transmission/Bluetooth/electric focus/timed shutdown | |
| Keystone Correction | level | Support eight-point correction |
| vertical | Support eight-point correction | |
| Lens shift | level | 0 |
| vertical | 0 | |
| Image Processing | Built-in geometric correction function | |
| 3D | Only supports 3D effect generated by 3D signal, does not support 2D to 3D conversion | |
| Installation | Table front projection, ceiling front projection, table rear projection, ceiling rear projection | |
| Input Port | HDMI*2 | |
| USBx2 | ||
| LANx1 | ||
| Service port x1 | ||
| Power Supplyx1 | ||
| RS232x1 | ||
| Output Port | SPDIF X 1 | |
| Audio out X 1 | ||
| Power specifications | 100V ~ 240V ± 10%, 50/60Hz | |
| Machine power | 350W ±10% 220V | |
| Standby power | <= 0.5 W | |
| Body material | ABS+PC | |
| Dimensions | 380 x342.5 x143mm (without support) (TBD) 380 x342.5 x150mm (with support) (TBD) | |
| weight | About 9 Kg | |
| noise | <36 dB(A) | |
| Work Environment*4 | Working height | for 0 -- 2500 feet, 5 -- 40 ℃ for 2500 -- 5000 feet, 5 -- 35 ℃ for 5000 -- 10000 feet, 5 -- 30 ℃ |
| Operating temperature | 5 ~ 40 °C | |
| Operating humidity | 10% to 85%, non-condensing | |
| Accessories | User guide*1; warranty card*1; power cord*1; remote control*1; AAA
batteries*2 | |
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